Some YDIH proponents have also proposed that this event triggered extensive biomass burning, a brief impact winter and the Younger Dryas abrupt climate change, contributed to extinctions of late Pleistocene megafauna, and resulted in the end of the Clovis culture. See more The Younger Dryas impact hypothesis (YDIH) or Clovis comet hypothesis is a speculative attempt to explain the onset of the Younger Dryas (YD) as an alternative to the long-standing and widely accepted cause due to a … See more Proponents believe that certain microscopic debris is evidence of impact and that "black mats" of sediment are evidence of widespread fires. They contend that … See more In 2001, Richard Firestone and William Topping published their first version of the YDIH, "Terrestrial Evidence of a Nuclear Catastrophe in Paleoindian Times" in Mammoth Trumpet, … See more The impact hypothesis has been the subject of documentaries, including Mammoth Mystery on National Geographic Explorer (2007), Journey to 10,000 BC on the History Channel (2008), Survival Earth on Channel 4 (2008), and Megabeasts' Sudden Death on See more Members of this group have been criticized for promoting pseudoscience, pseudoarchaeology, and pseudohistory, engaging in cherry-picking of data based on confirmation bias, seeking to persuade via the bandwagon fallacy, and even engaging in intentional … See more A number of other hypotheses have been put forward about the cause of the Younger Dryas climate event. Mainstream explanation The most widely accepted is that it began because of a significant reduction or shutdown of the North Atlantic "Conveyor" See more • Carolina bays – Elliptical depressions concentrated along the Atlantic seaboard of North America • Murray Springs Clovis Site – Archaeological site in Arizona, United States See more WebThe Younger Dryas, which occurred circa 12,900 to 11,700 years BP, was a return to glacial conditions which temporarily reversed the gradual climatic warming after the Last Glacial Maximum (LGM), which lasted from circa 27,000 to 20,000 years BP. The Younger Dryas was the last stage of the Pleistocene epoch that spanned from 2,580,000 to …
younger Dryas impact event. A Catastrophe of Comets
WebJun 26, 2024 · The first formal description of the Younger Dryas impact hypothesis came in 2007, when four researchers sat in front of a gaggle of reporters at the American Geophysical Union’s spring meeting ... Web© 2024 by Detroit Regional Yacht-racing Association. Organization. About black dresses on the bed
A newly found crater in Greenland is one of Earth
WebNov 14, 2024 · A massive crater hides beneath Greenland’s ice Whether the impact is related to a period of cooling called the Younger Dryas is unknown SPACE ROCK An iron asteroid hurtles through space in this... WebFeb 4, 2024 · The Cosmic Tusk is closely associated with the Younger Dryas Impact event 12,800 years ago. ... Ken Tankerseley is the co author of a paper examining the evidence for the Kansas Brenham Impact … WebJul 12, 2024 · The Younger Dryas period is one of the best known examples of an abrupt environmental change. About 14,500 years ago, Earth's climate began to slowly shift from a cold glacial world to a warmer interglacial state. Partway through this transition, temperatures in the Northern Hemisphere suddenly returned to near-glacial conditions. … game check for my laptop